how to insert all this checkbox value into same id but different rows of one column?

how to insert all this checkbox value into same id but different rows of one column

<input type="checkbox" value="Return" name ="secondtechno[]">Return<br>
<input type="checkbox" value="Payment" name ="secondtechno[]">Payment<br>
<input type="checkbox" value="Audit" name = "secondtechno[]">Audit<br>
<input type="checkbox" value="Form15CA" name = "secondtechno[]">Form15CA<br>
<input type="checkbox" value = "Form15CB" name = "secondtechno[]">Form15CB<br>